
4. System Architecture and Reference
Design
4.1 AU6986 Block Diagram
Figure 4.1 AU6986 Block Diagram
USB
Upstream
Port
XCVR
USB
SIE
Flash
FIFO
RAM
FM control
&ECC
Support NAND
Flash Memory
1.8V
1.8V
Voltage
Regulator
3.3 V
Processor
ROM
5V
12MHz
XTAL
SRAM
AU6986 USB2.0 Universal Flash Disk Controller V1.0
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